Machining Services:
Wire & Sinker EDM
Parts in days anywhere in the USA.
Our Wire & Sinker EDM services offer:
- Repeatability
- High Dimensional Tolerances
- Custom Prototypes and End-Use Parts
Quality Matters | AS9100D Certified, ISO 9001:2015, ISO 13485:2016, & ITAR Registered
* Not all locations have all certifications and registrations. Parts requiring these will be made at facilities with the correct certifications and registrations.
![CNC Machine Shop Services - Wire & Sinker EDM](https://prototek.com/wp-content/uploads/2023/12/Wire-Sinker-EDM.webp)
Our Digital Manufacturing Process is Simple.
Upload a CAD file and request a quote.
Our team begins production once the project specifications are finalized and the quote is accepted.
When the part has been completed and finished, it passes through quality control.
After your part goes through quality control, our team ships the part(s) to you.
Table of Contents
What is Wire and Sinker EDM?
Wire EDM and sinker EDM are machining processes commonly used to cut complex shapes and patterns into hard metals. Wire EDM utilizes a thin metal wire to create the cuts, whereas sinker EDM uses an electrode shaped like the desired cut. In both processes, an electrical discharge is passed between the metal being cut and the cutting tool, causing the metal to erode in small particles. This process allows for precise cuts and intricate shapes that would be difficult or impossible to create with traditional machining. Wire EDM is often used for cutting thin or delicate parts, while sinker EDM is commonly used for making molds or dies for manufacturing. Additionally, both methods are used extensively in aerospace, automotive, medical devices, and precision engineering industries.
How does Wire and Sinker EDM work?
Wire EDM
Wire EDM (Electrical Discharge Machining) is a precise process that uses electrical energy to cut through hard materials. It involves a thin, electrically charged wire that creates precise cuts through electrically conductive materials like metals. During the process, an electrical discharge is applied to the wire, creating a spark that melts the workpiece’s surface. Subsequently, a dielectric fluid then flushes away the melted material and circulates the cutting area. As the wire electrode continuously moves, electrical discharges are made, creating a path and forming the shape of the desired final product. Wire EDM is well-suited for aerospace, medical, and automotive applications, where tight tolerances are required due to its high precision and accuracy.
![Wire EDM Illustration](https://prototek.com/wp-content/uploads/2023/08/wire-edm-illustrations-1.png)
Sinker EDM
Sinker EDM (Electrical Discharge Machining) is a manufacturing process in which a shaped electrode (typically made of graphite or copper) and a workpiece are submerged in an electrically conductive fluid. Additionally, a controlled electrical charge is passed between the two. Sparks are created as the electrode approaches the workpiece, melting the material on the workpiece’s surface. Subsequently, the fluid flushes away this melted material, and the electrode contours the design’s shape. This process is repeated to create the required form.
The electrical charge used is very high, but it only lasts briefly. Consequently, the process requires precise control because the electrical discharge can damage the workpiece and must be repeated to achieve the required shape. Sinker EDM creates tools, dies, and molds for the automotive, aeronautical, and medical industries.
![sinker edm illustrations](https://prototek.com/wp-content/uploads/2023/08/sinker-edm-illustrations-1.png)
What is the difference between Wire & Sinker EDM?
Wire EDM and sinker EDM are two types of Electrical Discharge Machining processes. The main difference is that wire EDM uses a thin wire as the electrode to cut through the workpiece, while sinker EDM uses a shaped electrode to create the desired shape in the workpiece. Wire EDM is typically used for cutting intricate shapes or parts with tight tolerances, whereas sinker EDM is better suited for creating deeper cavities and shapes in larger workpieces. Another key difference is that wire EDM keeps a constant gap between the electrode and workpiece; sinker EDM submerges the electrode in dielectric fluid to cool and flush away debris. Both processes have advantages and limitations, and the choice between them depends on the specific requirements of the job.
EDM at Prototek
OEM:
Fanuc and Sodick
Lead Time:
5 – 22 Days
Max Dimensions:
31.5 x 23.6 x 31.5 in thick
Material:
Aluminum, Inconel, Stainless Steel and Steel, Titanium, and Other Materials
Prototek's Materials
High-quality materials are essential for achieving precise and accurate results in wire and sinker EDM (Electrical Discharge Machining). Prototek provides a wide range of materials, including brass, copper, and tungsten carbide, and it is known for its ability to deliver precise cuts and shapes for complex parts. Moreover, brass and copper are popular due to their exceptional electrical conductivity, making them ideal for EDM. Additionally, they are resistant to corrosion and wear, ensuring the durability of the parts made from these materials. On the other hand, tungsten carbide is well-regarded for its ability to handle demanding machining applications, particularly those requiring high accuracy and precision. Its unparalleled hardness and durability make it highly sought after in the aerospace, mold, die-making, and toolmaking industries. With Prototek’s extensive selection of quality EDM materials, our customers can consistently achieve the highest levels of performance and accuracy in their machining processes.
![Wire & Sinker EDM | Gear - Machining Near Me](https://prototek.com/wp-content/uploads/2023/12/Wire-Sinker-EDM-Gear.webp)
Wire & Sinker EDM Finishes
Wire and sinker EDM are two popular methods for precise cuts and finishes on metal parts. Wire EDM uses a thin wire that carries an electrical current to burn through the material and create a cut or shape. This process is ideal for intricate designs where accuracy is crucial. On the other hand, Sinker EDM involves an electrode that is lowered into a bath of dielectric fluid to create an electrical current that erodes the material. This process produces highly polished surfaces, particularly on parts with complex shapes or tricky angles. Both wire and sinker EDM produce high-quality results but have unique strengths and weaknesses. Depending on the specific needs of a project and the desired finish, wire or sinker EDM may be the ideal choice for achieving the perfect result.
Why choose Prototek for your wire and sinker EDM project?
Prototek is a trusted and reliable wire and sinker EDM service provider that delivers high-quality results. Our experienced technicians use state-of-the-art equipment and tools to create precise cuts, ensuring the end product meets the required specifications. We also offer a quick turnaround time, which allows you to stay on schedule and complete projects on time. Prototek understands that each project is unique and offers customized solutions that meet your needs, whether a prototype or low to high-volume production. Our team is dedicated to meeting your requirements and providing exceptional customer service. Prototek’s commitment to quality and customer satisfaction makes them the top choice for your project.